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多裂千里光Senecio multilobus Chang

多裂千里光Senecio multilobus Chang

别名:多刻千里光;

科名:菊科 Compositae

属名:千里光属 Senecio

《中国植物志》第77(1)卷242页
  9. 多裂千里光 图版60: 7-11
  Senecio multilobus Chang in Bull. Fan Mem. Inst. Biol. Bot. 6: 53. 1935; S. Y. Hu in Quart. Journ. Taiwan Mus. 21: 132. 1968; C. Jeffrey et Y. L. Chen in Kew Bull. 39(2): 368. 1984.
  多年生草本,根状茎未见。茎单生,直立,高达150厘米,中空,被疏短柔毛,后变无毛,下部不分枝,上部多分枝成花序枝。基生叶和下部茎叶在花期凋落,中部茎叶具柄,全形长圆状披针形,长10-15厘米,宽5-6厘米,羽状分裂,顶生裂片小,线状披针形,顶端渐尖,全缘或有不明显细齿;侧生裂片10-13对,对生或近对生,狭长圆形或长圆状披针形,长2-3厘米,宽5-8毫米,开展,尖,具数个尖锯齿,纸质,上面深绿色,被短柔毛,下面淡绿色,沿脉被疏细柔毛;上部叶下部同形,较小。头状花序具舌状花序,极多数,排成顶生和上部腋生复伞房花序;花序梗细,长5-12毫米,被短柔毛,具1-2丝状被短柔毛小苞片。总苞圆柱形,长6-7毫米,宽2.5-3毫米,具外层苞片;苞片5-6,丝状;总苞片8-9,线形,长6-7毫米,宽0.8毫米,钝,上端被短柔毛,近革质,边缘狭干膜质,外面无毛。舌状花5,管部长4毫米;舌片橙黄色,长圆形,长7毫米,宽1-1.2毫米,顶端具3细齿,具4脉;管状花10,花冠橙黄色,长8.5毫米,管部长3.5毫米,檐部漏斗状;裂片长圆状披针形,长1毫米,尖,上端具乳头状毛。花药长2.7毫米,基部具短钝耳;附片卵状披针形;花药颈部较长,向基部略膨大。花柱分枝长1.5毫米,截形,顶端具乳头状毛。瘦果圆柱形,长2.5毫米,无毛;冠毛白色长7毫米。花期9-11月。
  特产云南(瑞丽江怒江分水岭)。生于林缘,海拔2700-3000米。
形态特征:多年生草本,根状茎未见。茎单生,直立,高达150厘米,中空,被疏短柔毛,后变无毛,下部不分枝,上部多分枝成花序枝。基生叶和下部茎叶在花期凋落,中部茎叶具柄,全形长圆状披针形,长10—15厘米,宽5—6厘米,羽状分裂,顶生裂片小,线状披针形,顶端渐尖,全缘或有不明显细齿;侧生裂片10—13对,对生或近对生,狭长圆形或长圆状披针形,长2—3厘米,宽5—8毫米,开展,尖,具数个尖锯齿,纸质,上面深绿色,被短柔毛,下面淡绿色,沿脉被疏细柔毛;上部叶下部同形,较小。头状花序具舌状花序,极多数,排成顶生和上部腋生复伞房花序;花序梗细,长5—12毫米,被短柔毛,具1—2丝状被短柔毛小苞片。总苞圆柱形,长6—7毫米,宽2.5—3毫米,具外层苞片;苞片5—6,丝状;总苞片8—9,线形,长6—7毫米,宽0.8毫米,钝,上端被短柔毛,近革质,边缘狭干膜质,外面无毛。舌状花5,管部长4毫米;舌片橙黄色,长圆形,长7毫米,宽1—1.2毫米,顶端具3细齿,具4脉;管状花10,花冠橙黄色,长8.5毫米,管部长3.5毫米,檐部漏斗状;裂片长圆状披针形,长1毫米,尖,上端具乳头状毛。花药长2.7毫米,基部具短钝耳;附片卵状披针形;花药颈部较长,向基部略膨大。花柱分枝长1.5毫米,截形,顶端具乳头状毛。瘦果圆柱形,长2.5毫米,无毛;冠毛白色长7毫米。花期9—11月。
产地分布:特产云南(瑞丽江怒江分水岭)。生于林缘,海拔2 700—3 000米。
参考文献:SeneciomuitilobusChanginBull,FanMem.Inst.Bi01.Bot.6:53.1935;S.Y.HuinQuart.JOLlrn.TaiwanMus.21:132.1968;CjeffreyetY.LCheninKewBull.39(2):368.1984.

《Flora of China》 Vol. 20-21 (2011)
10. Senecio multilobus C. C. Chang, Bull. Fan Mem. Inst. Biol., Bot. 6: 53. 1935.
多裂千里光 duo lie qian li guang
Herbs, perennial. Stem solitary, erect, to 150 cm tall, fistulose, sparsely puberulent, glabrescent, not branched below, much branched into synflorescence in upper part. Basal and lower stem leaves petiolate; blade abaxially pale green, adaxially dark green, oblong-lanceolate, 10-15 × 5-6 cm, abaxially sparsely minutely pilose on veins, adaxially sparsely puberulent, pinnatipartite into small, linear-lanceolate, acuminate, entire or obscurely denticulate terminal lobe and 20-26 opposite or subopposite, narrowly oblong or oblong-lanceolate, 2-3 × 0.5-0.8 cm, spreading, acute, acutely few serrulate lateral lobes; upper leaves similar but smaller. Capitula radiate, very numerous, arranged in terminal and upper axillary compound corymbs; peduncles 5-12 mm, slender, puberulent; bracteoles 1 or 2, filiform, 1-2 mm, puberulent. Involucres cylindric, 6-7 × 2.5-3 mm, calyculate; bracts of calyculus 5 or 6, filiform; phyllaries 8 or 9, linear, 6-7 × ca. 0.8 mm, subleathery, glabrous, margin narrowly scarious, apically obtuse and puberulent. Ray florets 5; corolla tube ca. 4 mm; lamina orange-yellow, oblong, ca. 7 × 1-1.2 mm, 4-veined, 3-denticulate. Disk florets 10; corolla orange-yellow, ca. 8.5 mm, with ca. 3.5 mm tube and funnelform limb; lobes oblong-lanceolate, ca. 1 mm, apically acute, papillose. Anthers ca. 2.7 mm, basally shortly obtuse-auriculate, appendages ovate-lanceolate; antheropodium rather elongated, basally slightly expanded. Style branches ca. 1.5 mm. Achenes cylindric, ca. 2.5 mm, glabrous. Pappus white, ca. 7 mm. Fl. Sep-Nov.● Forest and thicket margins; 2700-3000 m. Yunnan (Longchuan Jiang-Nu Jiang divide).

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